Protopterus annectens
African lungfish
GC content
42.00%
Whole genome
Non-coding
1,231 bp
D-loop 1,189 bp
Where African lungfish sits among 2,335 species
Whole-genome GC content against maximum lifespan. African lungfish has the 1,037th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,657 bp
- GC skew (G − C) / (G + C)
- −0.262
- AT skew (A − T) / (A + T)
- −0.004
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in captivity
- Data quality
- acceptable, small sample
- Licence
- Free to use, subject to the Human Ageing Genomic Resources conditions of use
- Status
- Unchanged since build 1
- In the database since
- build 1 (2015-07-01)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,657 bp
Protein-coding11,363 bp
12S rRNA934 bp
16S rRNA1,592 bp
All tRNA1,537 bp
D-loop1,189 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 967 bp | 40.85% | −0.337 | −0.087 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,032 bp | 40.99% | −0.385 | −0.018 | |||||
| COX1Cytochrome c oxidase subunit I | 1,548 bp | 44.57% | −0.186 | −0.107 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 41.39% | −0.231 | +0.062 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 36.91% | −0.581 | +0.038 | |||||
| ATP6ATP synthase F0 subunit 6 | 682 bp | 40.91% | −0.398 | −0.067 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 44.52% | −0.244 | −0.085 | |||||
| ND3NADH dehydrogenase subunit 3 | 346 bp | 37.86% | −0.298 | −0.163 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 46.47% | −0.275 | −0.094 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,384 bp | 40.82% | −0.384 | −0.079 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,836 bp | 40.52% | −0.390 | −0.033 | |||||
| ND6NADH dehydrogenase subunit 6 | 513 bp | 43.86% | −0.467 | +0.347 | |||||
| CYTBCytochrome b | 1,144 bp | 42.66% | −0.381 | −0.082 | |||||
| 12S rRNA12S ribosomal RNA | 934 bp | 45.82% | −0.084 | +0.178 | |||||
| 16S rRNA16S ribosomal RNA | 1,592 bp | 40.77% | −0.051 | +0.141 | |||||
| D-loopControl region (D-loop) | 1,189 bp | 37.34% | −0.180 | −0.058 |
Codon usage
Counts per codon, darker is more frequent3,795 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.5%
UUU176
UUC70
Leu L17.3%
UUA137
UUG28
CUU170
CUC118
CUA157
CUG46
Ile I8.4%
AUU215
AUC105
Met M4.6%
AUA134
AUG41
Val V4.7%
GUU57
GUC37
GUA64
GUG19
Ser S6.8%
UCU48
UCC74
UCA82
UCG11
AGU18
AGC24
Pro P5.6%
CCU26
CCC74
CCA97
CCG14
Thr T7.8%
ACU64
ACC97
ACA124
ACG10
Ala A8.2%
GCU62
GCC142
GCA102
GCG7
Tyr Y3.1%
UAU56
UAC63
His H2.5%
CAU33
CAC60
Gln Q2.7%
CAA94
CAG7
Asn N3.7%
AAU73
AAC69
Lys K1.9%
AAA66
AAG6
Asp D1.9%
GAU31
GAC41
Glu E2.5%
GAA68
GAG25
Cys C0.7%
UGU11
UGC16
Trp W3.0%
UGA78
UGG35
Arg R1.8%
CGU13
CGC19
CGA35
CGG3
Gly G6.2%
GGU31
GGC72
GGA77
GGG57
Stop 0.2%
UAA2
UAG3
AGA1
AGG0
Genome map
38 annotated features in NC_018822.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding13
- rRNA2
- tRNA22
- D-loop1
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (42.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,002 | 934 bp | + | 45.8% |
| tRNA-Val | Transfer RNA | 1,003 | 1,074 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,075 | 2,666 | 1,592 bp | + | 40.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,667 | 2,741 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,742 | 3,708 | 967 bp | + | 40.9% |
| tRNA-Ile | Transfer RNA | 3,709 | 3,780 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,778 | 3,848 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,848 | 3,916 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,917 | 4,948 | 1,032 bp | + | 41.0% |
| tRNA-Trp | Transfer RNA | 4,951 | 5,020 | 70 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,021 | 5,089 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,090 | 5,162 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,188 | 5,254 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,255 | 5,323 | 69 bp | − | – |
| COX1 | Protein-coding gene | 5,325 | 6,872 | 1,548 bp | + | 44.6% |
| tRNA-Ser (UCN) | Transfer RNA | 6,877 | 6,947 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,950 | 7,018 | 69 bp | + | – |
| COX2 | Protein-coding gene | 7,021 | 7,711 | 691 bp | + | 41.4% |
| tRNA-Lys | Transfer RNA | 7,712 | 7,780 | 69 bp | + | – |
| ATP8 | Protein-coding gene | 7,782 | 7,949 | 168 bp | + | 36.9% |
| ATP6 | Protein-coding gene | 7,940 | 8,621 | 682 bp | + | 40.9% |
| COX3 | Protein-coding gene | 8,622 | 9,405 | 784 bp | + | 44.5% |
| tRNA-Gly | Transfer RNA | 9,406 | 9,475 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,477 | 9,822 | 346 bp | + | 37.9% |
| tRNA-Arg | Transfer RNA | 9,823 | 9,891 | 69 bp | + | – |
| ND4L | Protein-coding gene | 9,892 | 10,188 | 297 bp | + | 46.5% |
| ND4 | Protein-coding gene | 10,182 | 11,565 | 1,384 bp | + | 40.8% |
| tRNA-His | Transfer RNA | 11,566 | 11,634 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,635 | 11,703 | 69 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,704 | 11,772 | 69 bp | + | – |
| ND5 | Protein-coding gene | 11,773 | 13,608 | 1,836 bp | + | 40.5% |
| ND6 | Protein-coding gene | 13,597 | 14,109 | 513 bp | − | 43.9% |
| tRNA-Glu | Transfer RNA | 14,110 | 14,178 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,181 | 15,324 | 1,144 bp | + | 42.7% |
| tRNA-Thr | Transfer RNA | 15,325 | 15,396 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,399 | 15,468 | 70 bp | − | – |
| D-loop | Control region | 15,469 | 16,657 | 1,189 bp | – | 37.3% |